Quote:
Originally Posted by DefactoM6
135i 6MT, JB4, DCI, Meth: 372whp, SAE
E92 M3 6MT, catback and filters: 331whp, SAE
E60 M5 6MT, Headerback catless exhaust (Dinan), Dinan pulleys, filters, tune: 440whp, SAE
And just for fun...'07 GT500, KB 2.8, headerback, cams, intakes, TBs, aftercooler, running ????boost...698whp SAE, revving to 6k because the thing kept spinning it's DRs, even with 7 people on/in the car :P
|
from that list i'd say generous.
but, it's the
gains that are more important
